Home / 102,865.98-141,937.20-60,433.32

Finding the Fourth Proportional to 102,865.98, 141,937.20 and 60,433.32

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Solution

The fourth proportional to 102,865.98, 141,937.20 and 60,433.32 is: 83,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,865.98 : 141,937.20 = 60,433.32 : x
  2. Step 2: Convert to fraction form
    102,865.98/141,937.20 = 60,433.32/x
  3. Step 3: Cross multiply
    102,865.98x = 141,937.20 × 60,433.32
  4. Step 4: Simplify right side
    102,865.98x = 8,577,736,227.50
  5. Step 5: Solve for x
    x = 8,577,736,227.50/102,865.98
  6. Step 6: Final answer
    x = 83,387.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.